Home / 8,343.51-12,518.73-3,661.08

Finding the Fourth Proportional to 8,343.51, 12,518.73 and 3,661.08

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Solution

The fourth proportional to 8,343.51, 12,518.73 and 3,661.08 is: 5,493.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,343.51 : 12,518.73 = 3,661.08 : x
  2. Step 2: Convert to fraction form
    8,343.51/12,518.73 = 3,661.08/x
  3. Step 3: Cross multiply
    8,343.51x = 12,518.73 × 3,661.08
  4. Step 4: Simplify right side
    8,343.51x = 45,832,072.03
  5. Step 5: Solve for x
    x = 45,832,072.03/8,343.51
  6. Step 6: Final answer
    x = 5,493.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.